Home / 291,870.90-437,819.45-89,452.17

Finding the Fourth Proportional to 291,870.90, 437,819.45 and 89,452.17

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Solution

The fourth proportional to 291,870.90, 437,819.45 and 89,452.17 is: 134,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,870.90 : 437,819.45 = 89,452.17 : x
  2. Step 2: Convert to fraction form
    291,870.90/437,819.45 = 89,452.17/x
  3. Step 3: Cross multiply
    291,870.90x = 437,819.45 × 89,452.17
  4. Step 4: Simplify right side
    291,870.90x = 39,163,899,423.45
  5. Step 5: Solve for x
    x = 39,163,899,423.45/291,870.90
  6. Step 6: Final answer
    x = 134,182.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.